OFFSET
1,1
COMMENTS
EXAMPLE
a(2) = prime(2) * prime(4) - prime(8) = 3*7 - 19 = 2.
MATHEMATICA
Table[ Prime[n] * Prime[n^2] - Prime[n^3], {n, 40}]
PROG
(PARI) a(n) = prime(n) * prime(n^2) - prime(n^3); \\ Michel Marcus, Sep 10 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Jonathan Sondow, Aug 25 2017
STATUS
approved